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            ball bearing adhesives


  ADHESIVE PRACTICES  

Small bearings usually have thin raceway cross-sections and radial play in the range of 0.0002 to 0.0008 inches. This means that considerable care needs to be taken when bearings need to be permanently mounted on shafts and/or housings. If bearings are press-fit to their mating components, tolerances of these components will need to be held tightly to avoid loss of radial play and bearing malfunction. As an alternative, bearings are often bonded in place with adhesive. This method also allows bearing pairs to be preloaded with a weight to remove axial play while the adhesive is curing. With proper design and handling, a bearing assembly using adhesive bonds can be extremely strong. This section deals with some of the issues involved in adhesive bonding.






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